28447740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:536

約数の個数: 96

約数和(自身を含む): 89376000

約数和(自身を除く): 60928260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 139, 180, 270, 278, 379, 417, 540, 556, 695, 758, 834, 1137, 1251, 1390, 1516, 1668, 1895, 2085, 2274, 2502, 2780, 3411, 3753, 3790, 4170, 4548, 5004, 5685, 6255, 6822, 7506, 7580, 8340, 10233, 11370, 12510, 13644, 15012, 17055, 18765, 20466, 22740, 25020, 34110, 37530, 40932, 51165, 52681, 68220, 75060, 102330, 105362, 158043, 204660, 210724, 263405, 316086, 474129, 526810, 632172, 790215, 948258, 1053620, 1422387, 1580430, 1896516, 2370645, 2844774, 3160860, 4741290, 5689548, 7111935, 9482580, 14223870, 28447740]

約数ペア:

[(1, 28447740), (2, 14223870), (3, 9482580), (4, 7111935), (5, 5689548), (6, 4741290), (9, 3160860), (10, 2844774), (12, 2370645), (15, 1896516), (18, 1580430), (20, 1422387), (27, 1053620), (30, 948258), (36, 790215), (45, 632172), (54, 526810), (60, 474129), (90, 316086), (108, 263405), (135, 210724), (139, 204660), (180, 158043), (270, 105362), (278, 102330), (379, 75060), (417, 68220), (540, 52681), (556, 51165), (695, 40932), (758, 37530), (834, 34110), (1137, 25020), (1251, 22740), (1390, 20466), (1516, 18765), (1668, 17055), (1895, 15012), (2085, 13644), (2274, 12510), (2502, 11370), (2780, 10233), (3411, 8340), (3753, 7580), (3790, 7506), (4170, 6822), (4548, 6255), (5004, 5685)]